215050155201 has 32 divisors (see below), whose sum is σ = 369093861120. Its totient is φ = 121202428032.

The previous prime is 215050155191. The next prime is 215050155239. The reversal of 215050155201 is 102551050512.

215050155201 is a `hidden beast` number, since 2 + 1 + 505 + 0 + 155 + 2 + 0 + 1 = 666.

215050155201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215050155201 - 2⁵ = 215050155169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (215050155401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7779570 + ... + 7807163.

It is an arithmetic number, because the mean of its divisors is an integer number (11534183160).

Almost surely, 2^215050155201 is an apocalyptic number.

215050155201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

215050155201 is a deficient number, since it is larger than the sum of its proper divisors (154043705919).

215050155201 is a wasteful number, since it uses less digits than its factorization.

215050155201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15586822 (or 15586816 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 215050155201 in words is "two hundred fifteen billion, fifty million, one hundred fifty-five thousand, two hundred one".